Rank	Countries/Territories	Count	Percent
1	United States	198	32.8%
2	China	168	27.9%
3	Germany	58	9.6%
4	France	24	4%
5	Spain	13	2.2%
6	Ukraine	13	2.2%
7	India	12	2%
8	Japan	12	2%
9	Netherlands	11	1.8%
10	Switzerland	8	1.3%
11	Ireland	8	1.3%
12	Korea, Republic of	7	1.2%
13	United Kingdom	6	1%
14	Italy	5	0.8%
15	Portugal	5	0.8%
16	Iran, Islamic Republic of	5	0.8%
17	Canada	5	0.8%
18	Australia	5	0.8%
19	Israel	4	0.7%
20	Romania	4	0.7%
21	Russia	3	0.5%
22	Sweden	3	0.5%
23	Bahrain	3	0.5%
24	Belgium	2	0.3%
25	Bulgaria	2	0.3%
26	Cyprus	2	0.3%
27	Czech Republic	2	0.3%
28	Malaysia	2	0.3%
29	Greece	2	0.3%
30	Hong Kong	2	0.3%
31	South Africa	2	0.3%
32	United Arab Emirates	1	0.2%
33	Serbia	1	0.2%
34	Qatar	1	0.2%
35	New Zealand	1	0.2%
36	Pakistan	1	0.2%
37	Philippines	1	0.2%
38	Bangladesh	1	0.2%